/* ============================================================
   工具中心 /tools/ · 页面专属样式
   作用域：.page-products
   ============================================================ */

.page-products {
  --rail-card: min(82vw, 320px);
  --rail-gap: 20px;
  --hero-tint-a: rgba(53, 198, 168, 0.14);
  --hero-tint-b: rgba(46, 125, 107, 0.16);
}

/* ---------- 首屏 ---------- */

.page-products .tools-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: calc(var(--step) * 7);
}

.page-products .tools-hero::before {
  content: "";
  position: absolute;
  inset: -30% -12% 34% -12%;
  background:
    radial-gradient(58% 62% at 84% 0%, var(--hero-tint-a), transparent 66%),
    radial-gradient(54% 58% at 6% 26%, var(--hero-tint-b), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-products .tools-hero > .container {
  position: relative;
  z-index: 1;
}

.page-products .tools-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 8.4vw, 54px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: calc(var(--step) * 2) 0 0;
  max-width: 22ch;
  color: var(--fg);
}

.page-products .tools-hero__split {
  display: grid;
  gap: calc(var(--step) * 3);
  margin-top: calc(var(--step) * 3);
  align-items: start;
}

.page-products .tools-hero__lede {
  margin: 0;
  color: var(--fg-soft);
}

.page-products .tools-hero__note {
  margin: 0;
}

.page-products .tools-hero__stage {
  position: relative;
  z-index: 1;
  margin-top: calc(var(--step) * 5);
}

.page-products .tools-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  background: var(--bg-raised);
}

.page-products .tools-hero__labels {
  list-style: none;
  margin: calc(var(--step) * 3) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--rule-soft);
  border-left: 1px solid var(--rule-soft);
}

.page-products .tools-hero__labels li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: calc(var(--step) * 1.6) calc(var(--step) * 2);
  border-right: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--fg-soft);
}

.page-products .tools-hero__tag {
  color: var(--state);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ---------- 模块轨道 ---------- */

.page-products .section-head__intro {
  margin: calc(var(--step) * 1.5) 0 0;
  max-width: 46ch;
  color: var(--fg-soft);
}

.page-products .module-rail {
  display: flex;
  gap: var(--rail-gap);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-inline: var(--safe);
  padding-bottom: calc(var(--step) * 2);
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-products .module-rail::-webkit-scrollbar {
  height: 6px;
}

.page-products .module-rail::-webkit-scrollbar-thumb {
  background: var(--line);
}

.page-products .module-card {
  flex: 0 0 var(--rail-card);
  min-width: 0;
  scroll-snap-align: start;
  padding: calc(var(--step) * 3);
  display: flex;
  flex-direction: column;
  gap: calc(var(--step) * 1.5);
}

.page-products .module-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.page-products .module-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-products .module-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg-soft);
}

.page-products .module-card__qa {
  margin-top: auto;
  padding-top: calc(var(--step) * 1.5);
  border-top: 1px solid var(--rule-soft);
}

.page-products .steps {
  margin: 0;
  padding-left: 1.15em;
  display: grid;
  gap: 8px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg-soft);
}

/* ---------- 上手路径 ---------- */

.page-products .section--light {
  --accent: var(--grass);
  --rule: rgba(15, 59, 51, 0.32);
  --rule-soft: rgba(15, 59, 51, 0.2);
  --fg-soft: #3D4E48;
  color: var(--ink);
}

.page-products .path__grid {
  display: grid;
  gap: calc(var(--step) * 5);
  margin-top: calc(var(--step) * 3);
}

.page-products .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: calc(var(--step) * 3);
}

.page-products .flow__step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: calc(var(--step) * 2);
  padding-top: calc(var(--step) * 2);
  border-top: 1px solid var(--rule-soft);
}

.page-products .flow__index {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--grass);
  padding-top: 3px;
}

.page-products .flow__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
}

.page-products .flow__step p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fg-soft);
}

.page-products .path__figure {
  margin: 0;
}

.page-products .path__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--rule-soft);
  background: #E6E9E4;
}

.page-products .path__figure figcaption {
  margin-top: calc(var(--step) * 1.5);
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-soft);
}

/* ---------- 回访用户 ---------- */

.page-products .returns__grid {
  display: grid;
  gap: calc(var(--step) * 4);
  align-items: start;
}

.page-products .returns__body h2 {
  margin: calc(var(--step) * 1.5) 0 calc(var(--step) * 2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-products .returns__body p {
  margin: 0 0 1.1em;
  max-width: 44ch;
  color: var(--fg-soft);
  line-height: 1.8;
}

.page-products .returns__points {
  list-style: none;
  margin: calc(var(--step) * 3) 0 calc(var(--step) * 3);
  padding: 0;
  display: grid;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg-soft);
}

.page-products .returns__points li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-products .returns__figure {
  margin: 0;
}

.page-products .returns__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  background: var(--bg-raised);
}

.page-products .returns__figure figcaption {
  margin-top: calc(var(--step) * 1.5);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--fg-dim);
}

/* ---------- 小屏浏览 ---------- */

.page-products .screen__grid {
  display: grid;
  gap: calc(var(--step) * 4);
  align-items: center;
}

.page-products .screen__figure {
  margin: 0;
  max-width: 320px;
  justify-self: start;
  position: relative;
}

.page-products .screen__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  box-shadow: -14px 0 0 -8px rgba(53, 198, 168, 0.22),
              0 22px 44px -30px rgba(0, 0, 0, 0.85);
  background: var(--bg-raised);
}

.page-products .screen__body h2 {
  margin: calc(var(--step) * 1.5) 0 calc(var(--step) * 2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-products .screen__body > p {
  margin: 0 0 1.1em;
  max-width: 46ch;
  color: var(--fg-soft);
  line-height: 1.8;
}

.page-products .screen__facts {
  margin: calc(var(--step) * 3) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule-soft);
}

.page-products .screen__fact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: calc(var(--step) * 1.4) 0;
  border-bottom: 1px solid var(--rule-soft);
}

.page-products .screen__fact dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--fg-dim);
}

.page-products .screen__fact dd {
  margin: 0;
  font-size: 15px;
  color: var(--fg-soft);
}

.page-products .screen__qa {
  margin-top: calc(var(--step) * 3);
}

/* ---------- 下载节点 ---------- */

.page-products .nodes__grid {
  display: grid;
  gap: calc(var(--step) * 4);
  margin-top: calc(var(--step) * 3);
}

.page-products .nodes__figure {
  margin: 0;
}

.page-products .nodes__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  background: var(--bg-raised);
}

.page-products .nodes__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule-soft);
}

.page-products .nodes__item {
  padding: calc(var(--step) * 1.8) 0;
  border-bottom: 1px solid var(--rule-soft);
}

.page-products .nodes__item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.page-products .nodes__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg-soft);
}

.page-products .nodes__note {
  margin: calc(var(--step) * 2) 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-dim);
}

/* ---------- 更新记录 ---------- */

.page-products .versions__grid {
  display: grid;
  gap: calc(var(--step) * 4);
  margin-top: calc(var(--step) * 3);
  align-items: start;
}

.page-products .versions__timeline {
  margin: 0;
}

.page-products .versions__qa {
  margin-top: calc(var(--step) * 1.5);
}

.page-products .versions__list {
  margin: 0;
  padding-left: 1.15em;
  display: grid;
  gap: 6px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg-soft);
}

.page-products .versions__note {
  margin: 0;
}

/* ---------- 组合场景 ---------- */

.page-products .scenes__grid {
  display: grid;
  gap: var(--rail-gap);
  margin-top: calc(var(--step) * 3);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .scene-card {
  padding: calc(var(--step) * 3);
  display: flex;
  flex-direction: column;
  gap: calc(var(--step) * 1.2);
  border-left: 3px solid var(--grass);
}

.page-products .scene-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--state);
}

.page-products .scene-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-products .scene-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg-soft);
}

/* ---------- 收尾 ---------- */

.page-products .closing__inner {
  display: grid;
  gap: calc(var(--step) * 3);
  padding: calc(var(--step) * 4) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.page-products .closing__copy h2 {
  margin: 0 0 calc(var(--step) * 1.5);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 5.2vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-products .closing__copy p {
  margin: 0;
  max-width: 48ch;
  color: var(--fg-soft);
  line-height: 1.8;
}

.page-products .closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .tools-hero__labels {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .screen__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .screen__fact {
    padding-right: calc(var(--step) * 2);
    border-bottom: 0;
    border-right: 1px solid var(--rule-soft);
  }

  .page-products .screen__fact:last-child {
    border-right: 0;
  }

  .page-products .scenes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products {
    --rail-card: 320px;
  }

  .page-products .tools-hero__split {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 0.85fr);
    gap: calc(var(--step) * 8);
  }

  .page-products .tools-hero__title {
    max-width: 18ch;
  }

  .page-products .module-rail {
    padding-inline: max(var(--safe), calc((100% - var(--maxw)) / 2));
  }

  .page-products .path__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: calc(var(--step) * 8);
    align-items: start;
  }

  .page-products .returns__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: calc(var(--step) * 8);
  }

  .page-products .screen__grid {
    grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
    gap: calc(var(--step) * 8);
  }

  .page-products .nodes__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr);
    gap: calc(var(--step) * 8);
    align-items: start;
  }

  .page-products .versions__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 0.7fr);
    gap: calc(var(--step) * 8);
  }

  .page-products .scenes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .closing__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr);
    gap: calc(var(--step) * 8);
    align-items: center;
  }

  .page-products .closing__actions {
    justify-content: flex-end;
  }
}
<<<END>>>